Answer this question truthfully
### Question: What causes Esophageal cancer?
### Response: Esophageal cancer is not very common in the United States. It occurs most often in men over 50 years old.
There are two main types of esophageal cancer that exist: squamous cell carcinoma and adenocarcinoma. These two types look different microscopically.
Squamous cell esophageal cancer is linked to smoking and alcohol consumption.
Barrett's esophagus, a complication of gastroesophageal reflux disease (GERD), increases the risk for adenocarcinoma of the esophagus. This is the more common type of esophageal cancer. Other risk factors for adenocarcinoma of the esophagus include:
Male gender Obesity Smoking